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2/1 channel Class-A/B Amp
• 60W RMS x 2ch at 4 ohms, 14.4V DC
• 90W RMS x 2ch at 2 ohms, 14.4V DC
• 180W RMS x 1ch bridged at 4 ohms,14.4V DC
• The NGTA Series use high quality one Layer PCB
• Uniquely designed high efficient power transformer
• Power supply switching FET
• 12dB/Oct stereo crossover filter
• NGTA602 have high pass/low pass/full range switching function
• Use highly quality deluxe guage input RCA and deluxe guage power   terminal connector
• Use Class-AB circuitry
• Power and protect indicators
Model NGTA704 NGTA602
Idling current 0.5A 0.6A
Output power (MAX) 4500W 2500W
Output power (RMS) at 4 ohm 60W x 4 2x60W
Output power (RMS) at 2 ohm 90W x 4 2x90W
Output Power(RMS)@ 1 ohm 2x180W 1x180W
Frequency response 10Hz-50k Hz 10Hz-50k Hz
Low Pass filter 50Hz-200Hz 50Hz-200Hz
High pass filter 50Hz-200Hz 50Hz-200Hz
Distortion (THD) ≤1% ≤1%
Low input sensitivityt 200mV-5V 200mV-5V
Signal to noise ratio +A  >90dB  >90dB
Fuse  25AX2  25AX2
WxHxD (mm) 360 x 207 x 55mm 240 x 207 x 55mm
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